/* =========================================================
   COMPONENT: Order Book
   ========================================================= */

.orderbook {
  display: flex;
  flex-direction: column;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.orderbook-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: var(--space-xs) var(--space-sm);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  border-bottom: 1px solid var(--border-color);
  text-align: right;
}
.orderbook-header span:first-child {
  text-align: left;
}

.orderbook-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 1px var(--space-sm);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.orderbook-row:hover {
  background: var(--bg-hover);
}

/* Depth bars */
.orderbook-row::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  opacity: 0.15;
  transition: width var(--transition-fast);
}
.orderbook-row.ask::before {
  background: var(--accent-red);
}
.orderbook-row.bid::before {
  background: var(--accent-green);
}

.orderbook-cell {
  text-align: right;
  position: relative;
  z-index: 1;
}
.orderbook-cell:first-child {
  text-align: left;
}
.orderbook-cell.price {
  font-weight: 600;
}
.orderbook-row.ask .price {
  color: var(--accent-red);
}
.orderbook-row.bid .price {
  color: var(--accent-green);
}
.orderbook-cell.size {
  color: var(--text-secondary);
}
.orderbook-cell.total {
  color: var(--text-muted);
}

.orderbook-spread {
  text-align: center;
  padding: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

/* Bigger tap targets for click-to-fill-price rows on touch */
@media (max-width: 640px) {
  .orderbook-row { padding: var(--space-sm); }
}